Park Joo-Hyung

as Na Geum-seok (16 episodes)

as Seo Yong (16 episodes)

as Assistant Manager Park (2 episodes)

as Kei (20 episodes)

as Go Il-Yong (20 episodes)

as Chief Park (20 episodes)

as 강홍규

as Oh Young Dal (12 episodes)

as Guro-gu detective

as Junior Colleague (ep.2)

as Hye Young's subordinate (16 episodes)